KR970006221A - Nitrite-based corrosion inhibitors with improved anodic and cathodic inhibiting performance - Google Patents

Nitrite-based corrosion inhibitors with improved anodic and cathodic inhibiting performance Download PDF

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KR970006221A
KR970006221A KR1019960029769A KR19960029769A KR970006221A KR 970006221 A KR970006221 A KR 970006221A KR 1019960029769 A KR1019960029769 A KR 1019960029769A KR 19960029769 A KR19960029769 A KR 19960029769A KR 970006221 A KR970006221 A KR 970006221A
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component
superplasticizer
group
alkylene group
formula
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KR1019960029769A
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에스. 베르케 닐
씨. 힉크스 마리아
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원본미기재
더블유. 알. 그레이스 앤드 컴패니-콘.
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Publication of KR970006221A publication Critical patent/KR970006221A/en

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    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B22/00—Use of inorganic materials as active ingredients for mortars, concrete or artificial stone, e.g. accelerators, shrinkage compensating agents
    • C04B22/08—Acids or salts thereof
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
    • C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B24/00—Use of organic materials as active ingredients for mortars, concrete or artificial stone, e.g. plasticisers
    • C04B24/02—Alcohols; Phenols; Ethers
    • C04B24/023—Ethers
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2103/00—Function or property of ingredients for mortars, concrete or artificial stone
    • C04B2103/30—Water reducers, plasticisers, air-entrainers, flow improvers
    • C04B2103/32—Superplasticisers
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2103/00—Function or property of ingredients for mortars, concrete or artificial stone
    • C04B2103/60—Agents for protection against chemical, physical or biological attack
    • C04B2103/61—Corrosion inhibitors
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/20—Resistance against chemical, physical or biological attack
    • C04B2111/26—Corrosion of reinforcement resistance

Abstract

a) 음극 부식을 억제하기에 충분한 양의 알칼리 또는 알칼리 토금속 아질산엽으로 구성된 제1성분; 및 b) 제1성분의 음극 부식 성능을 증가시키기 위한 물질을 포함하는 제2성분을 포함하고 상기 제1성분과 제2성분이 약 1:0.1 내지 1:1의 중량비로 존재하는 수경 시멘트에서 사용하기 위한 혼합된 음극/양극 부식 억제제; 경우에 따라 EO/PO 초가소제가 혼입될 수 있고 이때 제1성분, 즉 아질산염 대 EO/PO 초가소제의 중량비는 약 1:0.005 내지 1:0.25이며, 음극 부식 억제 성능에 해를 주지 않고 양극 부식에 대하여 향상된 보호 효과가 제공된다.a) a first component composed of an alkali or alkaline earth metal nitrite leaf in an amount sufficient to inhibit cathodic corrosion; And b) a second component comprising a material for increasing the cathodic corrosion performance of the first component, wherein said first component and said second component are present in a hydraulic cement in a weight ratio of about 1: 0.1 to 1: 1. Mixed cathodic / anode corrosion inhibitors; In some cases, EO / PO superplasticizer may be incorporated, wherein the weight ratio of the first component, ie, nitrite to EO / PO superplasticizer, is about 1: 0.005 to 1: 0.25, and the anode corrosion without harming the anode corrosion inhibitive performance Improved protection against is provided.

Description

향상된 음극 및 양극 억제 성능을 갖는 아질산염 기제 부식 억제제Nitrite Based Corrosion Inhibitor with Improved Cathodic and Anode Suppression

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제1도는 본 발명에 따라 제조된 모르타르에 포함된 강철 보강재의 내부식성을 시험하기 위해 모르타르 롤리팝("lollipop")의 개략도, 제2도는 제1도에서 도시된 모르타르 롤리팝 "lollipop"의 단면도.FIG. 1 is a schematic diagram of a mortar lollipop (“lollipop”) for testing the corrosion resistance of steel reinforcements included in mortars made according to the invention, and FIG. 2 is a cross-sectional view of the mortar lollipop “lollipop” shown in FIG.

Claims (23)

a) 음극 부식을 억제하기 위한 유효량의 알칼리 또는 알칼리 토금속 아질산염으로 구성된 제1성분; b) 제1성분의 음극 부식 억제 효과를 향상시키는 작용을 갖는 물질을 포함하는 제2성분; 및 c) 제1성분에 대하여 약 1:0.005 내지 1:0.25의 증량비로 존재하는 EO/PO 초가소제로 구성된 제3성분을 포함하고, 제1성분과 제2성분이 약 1:0.1 내지 1:1의 중량비로 존재하며, 수경 시멘트에 부가되면, 음극 및 양극 부식 억제를 향상시키는 부식 억제 첨가제.a) a first component composed of an effective amount of alkali or alkaline earth metal nitrite to inhibit cathodic corrosion; b) a second component comprising a substance having a function of improving the negative electrode corrosion inhibiting effect of the first component; And c) a third component consisting of an EO / PO superplasticizer present in an amount ratio of about 1: 0.005 to 1: 0.25 relative to the first component, wherein the first component and the second component are about 1: 0.1 to 1: A corrosion inhibitor additive, present in a weight ratio of 1 and added to hydroponic cement, which enhances the inhibition of cathodic and anodic corrosion. 제1항에 있어서, 제2성분이 디프로필렌 글리콜 모노 t-부틸 에테르; 트리프로필렌 글리콜 모노 t-부틸 에테르; 1, 4-부탄디올; 1, 3-부탄디올; 1, 5-펜탄티올; 1, 4-펜탄디올; 2-메틸-2, 4-펜탄디올; 4-메틸-2, 4-펜탄디올; 및 디 t-부틸 글리세린으로 구성된 군으로부터 선정되는 첨가제.The compound of claim 1, wherein the second component is dipropylene glycol mono t-butyl ether; Tripropylene glycol mono t-butyl ether; 1, 4-butanediol; 1, 3-butanediol; 1, 5-pentanethiol; 1, 4-pentanediol; 2-methyl-2, 4-pentanediol; 4-methyl-2, 4-pentanediol; And di t-butyl glycerin. 제1항에 있어서, EO/PO 초가소제가 그라프트 공중합체 가소제이고 이 그라프트 공중합체 가소제가 약 200 내지 30,000의 평균 분자량을 갖는 폴리에테르 주쇄 중합체 및 에틸렌성 불포화 단량체를 중합반응시켜 제조한 측쇄 중합체를 포함하여 또 그라프트 공중합체 가소제가 측쇄 중합체의 약 2 내지 40중량%를 함유하는 첨가제.2. The side chain of claim 1 wherein the EO / PO superplasticizer is a graft copolymer plasticizer and the graft copolymer plasticizer is prepared by polymerizing a polyether backbone polymer and an ethylenically unsaturated monomer having an average molecular weight of about 200 to 30,000. An additive, including a polymer, wherein the graft copolymer plasticizer contains about 2 to 40 weight percent of the side chain polymer. 제1항에 있어서, EO/PO 초가소제가 알릴 말단 폴리옥시알킬렌 및 말레산, 무수 말레산 및 아클릴산으로 구성된 군으로부터 선정된 공단량체의 공중합체인 첨가제.The additive of claim 1 wherein the EO / PO superplasticizer is a copolymer of allyl terminated polyoxyalkylene and a comonomer selected from the group consisting of maleic acid, maleic anhydride and acrylic acid. 제4항에 있어서, EO/PO 초가소제가 일반식 CH2=CHCH2O(C2H4O)|9CH3으로 표시되고 약 5,000 내지 25,000의 수평균 분자량을 갖는 아릴 에테르와 무수 말레산의 공중합체를 포함하는 첨가제.The method of claim 4, wherein the EO / PO superplasticizer is selected from the formula CH 2 = CHCH 2 O (C 2 H 4 O) | An additive comprising a copolymer of aryl ether and maleic anhydride represented by 9 CH 3 and having a number average molecular weight of about 5,000 to 25,000. 제1항에 있어서, EO/PO 초가소제가 하기 구조식으로 표시되는 아미드화된 아크릴 중합체 또는 그의 혼합물인 첨가제:The additive of claim 1 wherein the EO / PO superplasticizer is an amidated acrylic polymer or mixture thereof represented by the following structural formula: 식 중에서, R은 서로 독립해서 수소 원자 또는 메틸(CH3-)기이고, A는 수소 원자, C1-C10알킬기이며, R'는 알칼리 금속 양이온 또는 그의 혼합물이고; R1은 수소 원자 또는 일반식(BO)nR"로 표시되는 C2-C10옥시 알킬렌기이며, 이때 O는 산소원자이고, B는 C2-C10알킬렌기이며, R"는 C1-C10알킬이고 또 n은 1 내지 200의 정수이며; 또 a, b, c 및 d 는 중합체 구조의 몰%를 나타내는 수치로서 a는 약 50 내지 70의 값이고; c+d의 합은 약 2 내지 (100-a)이며; 또 b는 나머지 〔100-(a+c+d)〕이다.In the formula, R is independently of each other a hydrogen atom or a methyl (CH 3- ) group, A is a hydrogen atom, a C 1 -C 10 alkyl group, and R 'is an alkali metal cation or a mixture thereof; R 1 is a hydrogen atom or a C 2 -C 10 oxy alkylene group represented by the formula (BO) n R ″, wherein O is an oxygen atom, B is a C 2 -C 10 alkylene group, and R ″ is C 1 -C 10 alkyl and n is an integer from 1 to 200; And a, b, c and d are numerical values representing mol% of the polymer structure, wherein a is a value of about 50 to 70; the sum of c + d is about 2 to (100-a); B is the remaining [100- (a + c + d)]. 제1항에 있어서, 제2성분이 일반식 R1O(AO)nH의 에테르(식 중에서, A는 C2-C|4알킬렌기 또는 C2-C4알킬렌기의 결합물이고, n은 1 내지 10이며 또 R1은 1 내지 10개의 탄소원자를 갖는 알킬 또는 시클로알킬임); HOBOH로 표시되는 알킬렌 글리콜(식 중에서, B는 C3-C10알킬렌기임); 및 이들의 혼합물로 구성된 군에서 선정되는 첨가제.The compound of claim 1, wherein the second component is an ether of the general formula R 1 O (AO) n H, wherein A is a combination of a C 2 -C | 4 alkylene group or a C 2 -C 4 alkylene group, n Is 1 to 10 and R 1 is alkyl or cycloalkyl having 1 to 10 carbon atoms; Alkylene glycols represented by HOBOH, wherein B is a C 3 -C 10 alkylene group; And additives selected from the group consisting of mixtures thereof. 끼워진 강철; 수경 시멘트 결합제; 및 a) 음극 부식을 억제하기 위한 유효량의 알칼리 또는 알칼리 토금속 아질산염으로 구성된 제1성분; b) 제1성분의 음극 부식 억제 효과를 향상시키는 작용을 갖는 물질을 포함하고 제1성분에 대하여 약 1:0.1 내지 1:1 중량비로 존재하는 제2성분; 및 c) 제1성분에 대하여 약 1:0.005 내지 1:0.25 중량비로 존재하는 EO/PO 초가소제로 구성된 첨가제 성분을 포함하고, 향상된 음극 및 양극 부식억제 작용을 갖는 경화된 시멘트 조성물.Embedded steel; Hydraulic cement binders; And a) a first component consisting of an effective amount of alkali or alkaline earth metal nitrite to inhibit cathodic corrosion; b) a second component comprising a material having an effect of improving the negative electrode corrosion inhibiting effect of the first component and present in a weight ratio of about 1: 0.1 to 1: 1 relative to the first component; And c) an additive component consisting of an EO / PO superplasticizer present in a weight ratio of about 1: 0.005 to 1: 0.25 relative to the first component, wherein the cured cement composition has an improved negative and positive corrosion inhibiting action. 제8항에 있어서, 아질산염의 양이 조성물중의 시멘트의 건조 중량의 약 0.5% 이상인 시멘트 조성물.The cement composition of claim 8, wherein the amount of nitrite is at least about 0.5% of the dry weight of the cement in the composition. 제8항에 있어서, 상기 제2성분이 디프로필렌 글리콜 모노 t-부틸 에테르;트리프로필렌 글리콜 모노 t-부틸 에테르; 1, 4-부탄디올; 1, 3-부탄디올; 1,5-펜탄티올; 1, 4-펜탄디올; 2-메틸-2, 4-펜탄디올; 4-메틸-2, 4-펜탄디올; 및 디 t-부틸 글리세린으로 구성된 군으로부터 선정되는 시멘트 조성물.The method of claim 8, wherein the second component is selected from the group consisting of dipropylene glycol mono t-butyl ether; tripropylene glycol mono t-butyl ether; 1, 4-butanediol; 1, 3-butanediol; 1,5-pentanethiol; 1, 4-pentanediol; 2-methyl-2, 4-pentanediol; 4-methyl-2, 4-pentanediol; And di t-butyl glycerin. 제8항에 있어서, EO/PO 초가소제가 그라프트 공중합체 가소제이고 이 그라프트 공중합체 가소제가 약 200 내지 30,000의 평균 분자량을 갖는 폴리에테르 주쇄 중합체 및 에틸렌성 불포화 단량체를 중합반응시켜 제조한 측쇄 중합체를 포함하며 또 그라프트 공중합체 가소제가 측쇄 중합체의 약 2 내지 40중량%를 함유하는 시멘트 조성물.The side chain of claim 8, wherein the EO / PO superplasticizer is a graft copolymer plasticizer and the graft copolymer plasticizer is prepared by polymerizing a polyether main chain polymer and an ethylenically unsaturated monomer having an average molecular weight of about 200 to 30,000. A cement composition comprising a polymer and wherein the graft copolymer plasticizer contains about 2 to 40 weight percent of the side chain polymer. 제8항에 있어서, EO/PO 초가소제가 알릴 말단 폴리옥시알킬렌 및 말레산, 무수 말레산 및 아클릴산으로 구성된 군으로부터 선정된 공단량체의 공중합체인 시멘트 조성물.9. The cement composition of claim 8, wherein the EO / PO superplasticizer is a copolymer of allyl terminated polyoxyalkylene and comonomer selected from the group consisting of maleic acid, maleic anhydride and acrylic acid. 제12항에 있어서, EO/PO 초가소제가 일반식 CH2=CHCH2O(C2H4O)|9CH3으로 표시되고 약 5,000 내지 25,000의 수평균 분자량을 갖는 알릴 에테르와 무수 말레산의 공중합체를 포함하는 시멘트 조성물.13. The method of claim 12, wherein the EO / PO superplasticizer is selected from the general formula CH 2 = CHCH 2 O (C 2 H 4 O) | A cement composition comprising a copolymer of allyl ether and maleic anhydride, represented by 9 CH 3 and having a number average molecular weight of about 5,000 to 25,000. 제8항에 있어서, EO/PO 초가소제가 하기 구조식으로 표시되는 아미드화된 아클릴 중합체 또는 그의 혼합물인 시멘트 조성물:The cement composition according to claim 8, wherein the EO / PO superplasticizer is an amidated acyl polymer or a mixture thereof represented by the following structural formula: 식 중에서, R은 서로 독립해서 수소 원자 또는 메틸(CH3-)기이고, A는 수소 원자, C1-C10알킬기이며, R'는 알칼리 금속 양이온 또는 그의 혼합물이고; R1은 수소 원자 또는 일반식(BO)nR"로 표시되는 C2-C10옥시 알킬렌기이며, 이때 O는 산소원자이고, B는 C2-C10알킬렌기이며, R"는 C1-C10알킬이고 또 n은 1 내지 200의 정수이며 또는 그의 혼합물이고; 또 a, b, c 및 d 는 중합체 구조의 몰%를 나타내는 수치로서 a는 약 50 내지 70의 값이고; c+d의 합은 약 2 내지 (100-a)이며; 또 b는 나머지 〔100-(a+c+d)〕이다.In the formula, R is independently of each other a hydrogen atom or a methyl (CH 3- ) group, A is a hydrogen atom, a C 1 -C 10 alkyl group, and R 'is an alkali metal cation or a mixture thereof; R 1 is a hydrogen atom or a C 2 -C 10 oxy alkylene group represented by the formula (BO) n R ″, wherein O is an oxygen atom, B is a C 2 -C 10 alkylene group, and R ″ is C 1 -C 10 alkyl and n is an integer from 1 to 200 or a mixture thereof; And a, b, c and d are numerical values representing mol% of the polymer structure, wherein a is a value of about 50 to 70; the sum of c + d is about 2 to (100-a); B is the remaining [100- (a + c + d)]. 제8항에 있어서, 제2성분이 일반식 R1O(AO)nH의 에테르(식 중에서, A는 C2-C|4알킬렌기 또는 C2-C4알킬렌기의 결합물이고, n은 1 내지 10이며 또 R1은 1 내지 10개의 탄소원자를 갖는 알킬 또는 시클로알킬임); HOBOH로 표시되는 알킬렌 글리콜(식 중에서, B는 C3-C10알킬렌기임); 및 이들의 혼합물로 구성된 군에서 선정되는 시멘트 조성물.The compound of claim 8, wherein the second component is an ether of the general formula R 1 O (AO) n H, wherein A is a combination of a C 2 -C | 4 alkylene group or a C 2 -C 4 alkylene group, n Is 1 to 10 and R 1 is alkyl or cycloalkyl having 1 to 10 carbon atoms; Alkylene glycols represented by HOBOH, wherein B is a C 3 -C 10 alkylene group; And a mixture thereof. a) 음극 부식을 억제하기 위한 유효량의 알칼리 또는 알칼리 토금속 아질산염으로 구성된 제1성분; b) 제1성분의 음극 부식 억제 효과를 향상시키는 작용을 갖는 물질을 포함하고 제1성분에 대하여 약 1:0.1 내지 1:1 중량비로 존재하는 제2성분; 및 c) 제1성분에 대하여 약 1:0.005 내지 1:0.25의 증량비로 존재하는 EO/PO 초가소제로 수경 시멘트 결합제에 부가하는 단계를 포함하며, 향상된 음극 및 양극 부식 내성이 시멘트 조성물에 제공되는, 향상된 음극 및 양극 부식 내성을 갖는 시멘트 조성물을 제조하는 방법.a) a first component composed of an effective amount of alkali or alkaline earth metal nitrite to inhibit cathodic corrosion; b) a second component comprising a material having an effect of improving the negative electrode corrosion inhibiting effect of the first component and present in a weight ratio of about 1: 0.1 to 1: 1 relative to the first component; And c) adding to the hydraulic cement binder with an EO / PO superplasticizer present in an increase ratio of about 1: 0.005 to 1: 0.25 relative to the first component, wherein improved cathode and anode corrosion resistance is provided to the cement composition. , A process for producing a cement composition having improved cathode and anode corrosion resistance. 제16항에 있어서, 아질산염의 양이 조성물중의 시멘트의 건조 중량의 약 0.5% 이상인 방법.The method of claim 16, wherein the amount of nitrite is at least about 0.5% of the dry weight of the cement in the composition. 제16항에 있어서, 상기 제2성분이 디프로필렌 글리콜 모노 t-부틸 에테르;트리프로필렌 글리콜 모노 t-부틸 에테르; 1, 4-부탄디올; 1, 3-부탄디올; 1,5-펜탄티올; 1, 4-펜탄디올; 2-메틸-2, 4-펜탄디올; 4-메틸-2, 4-펜탄디올; 및 디 t-부틸 글리세린으로 구성된 군으로부터 선정되는 방법.The method of claim 16, wherein the second component is selected from the group consisting of dipropylene glycol mono t-butyl ether; tripropylene glycol mono t-butyl ether; 1, 4-butanediol; 1, 3-butanediol; 1,5-pentanethiol; 1, 4-pentanediol; 2-methyl-2, 4-pentanediol; 4-methyl-2, 4-pentanediol; And di t-butyl glycerin. 제16항에 있어서, EO/PO 초가소제가 그라프트 공중합체 가소제이고, 이 그라프트 공중합체 가소제는 약 200 내지 30,000의 평균 분자량을 갖는 폴리에테르 주쇄 중합체를 포함하고 또 에틸렌성 불포화 단량체를 중합반응시켜 제조한 측쇄 중합체를 가지며, 또 그라프트 공중합체 가소제가 측쇄 중합체의 약 2 내지 40중량%를 함유하는 방법.17. The EO / PO superplasticizer is a graft copolymer plasticizer, the graft copolymer plasticizer comprising a polyether backbone polymer having an average molecular weight of about 200 to 30,000 and polymerizing the ethylenically unsaturated monomer. And a graft copolymer plasticizer containing about 2 to 40% by weight of the side chain polymer. 제16항에 있어서, EO/PO 초가소제가 알릴 말단 폴리옥시알킬렌 및 말레산, 무수 말레산 및 아클릴산으로 구성된 군으로부터 선정된 공단량체의 공중합체인 방법.17. The method of claim 16, wherein the EO / PO superplasticizer is a copolymer of allyl terminated polyoxyalkylene and comonomer selected from the group consisting of maleic acid, maleic anhydride and acrylic acid. 제20항에 있어서, EO/PO 초가소제가 일반식 CH2=CHCH2O(C2H4O)|9CH3으로 표시되고 약 5,000 내지 25,000의 수평균 분자량을 갖는 알릴 에테르와 무수 말레산의 공중합체를 포함하는 방법.The method of claim 20, wherein the EO / PO superplasticizer is selected from the formula CH 2 = CHCH 2 O (C 2 H 4 O) | And a copolymer of allyl ether and maleic anhydride, represented by 9 CH 3 and having a number average molecular weight of about 5,000 to 25,000. 제16항에 있어서, 제2성분이 일반식 R1O(AO)nH의 에테르(식 중에서, A는 C2-C4알킬렌기 또는 C2-C4알킬렌기의 결합물이고, n은 1 내지 10이며 또 R1은 1 내지 10개의 탄소원자를 갖는 알킬 또는 시클로알킬임); HOBOH로 표시되는 알킬렌 글리콜(식 중에서, B는 C3-C10알킬렌기임); 및 이들의 혼합물로 구성된 군에서 선정되는 방법.The compound of claim 16, wherein the second component is an ether of the formula R 1 O (AO) n H wherein A is a combination of a C 2 -C 4 alkylene group or a C 2 -C 4 alkylene group, n is 1 to 10 and R 1 is alkyl or cycloalkyl having 1 to 10 carbon atoms; Alkylene glycols represented by HOBOH, wherein B is a C 3 -C 10 alkylene group; And mixtures thereof. 제16항에 있어서, EO/PO 초가소제가 하기 구조식으로 표시되는 아미드화된 아클릴 중합체 또는 그의 혼합물인 방법:The process of claim 16 wherein the EO / PO superplasticizer is an amidated acyl polymer represented by the following structural formula or a mixture thereof: 식 중에서, R은 서로 독립해서 수소 원자 또는 메틸(CH3-)기이고, A는 수소 원자, C1-C10알킬기이며, R'는 알칼리 금속 양이온 또는 그의 혼합물이고; R1은 수소 원자 또는 일반식(BO)nR"로 표시되는 C2-C10옥시 알킬렌기이며, 이때 O는 산소원자이고, B는 C2-C10알킬렌기이며, R"는 C1-C10알킬이고 또 n은 1 내지 200의 정수이며; 또 a, b, c 및 d는 중합체 구조의 몰%를 나타내는 수치로서 a는 약 50 내지 70의 값이고; c+d의 합은 약 2 내지 (100-a)이며; 또 b는 나머지 〔100-(a+c+d)〕이다.In the formula, R is independently of each other a hydrogen atom or a methyl (CH 3- ) group, A is a hydrogen atom, a C 1 -C 10 alkyl group, and R 'is an alkali metal cation or a mixture thereof; R 1 is a hydrogen atom or a C 2 -C 10 oxy alkylene group represented by the formula (BO) n R ″, wherein O is an oxygen atom, B is a C 2 -C 10 alkylene group, and R ″ is C 1 -C 10 alkyl and n is an integer from 1 to 200; And a, b, c and d are numerical values representing mol% of the polymer structure, wherein a is a value of about 50 to 70; the sum of c + d is about 2 to (100-a); B is the remaining [100- (a + c + d)]. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
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CA2181518C (en) 2007-10-02
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DK0754658T3 (en) 2001-11-26
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US5634966A (en) 1997-06-03
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